SDK Development / mbed-src

mbed SDK library sources

Fork of mbed-src by mbed official

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

targets/cmsis/TARGET_STM/TARGET_NUCLEO_F103RB/stm32f10x_rtc.c@52:a51c77007319, 2013-12-02 (annotated)

Committer:
mbed_official
Date:
Mon Dec 02 11:30:05 2013 +0000
Revision:
52:a51c77007319
Child:
70:c1fbde68b492
Synchronized with git revision 49df530ae72ce97ccc773d1f2c13b38e868e6abd



Full URL: https://github.com/mbedmicro/mbed/commit/49df530ae72ce97ccc773d1f2c13b38e868e6abd/



Add STMicroelectronics NUCLEO_F103RB target

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 52:a51c77007319 1 /**
mbed_official 52:a51c77007319 2 ******************************************************************************
mbed_official 52:a51c77007319 3 * @file stm32f10x_rtc.c
mbed_official 52:a51c77007319 4 * @author MCD Application Team
mbed_official 52:a51c77007319 5 * @version V3.5.0
mbed_official 52:a51c77007319 6 * @date 11-March-2011
mbed_official 52:a51c77007319 7 * @brief This file provides all the RTC firmware functions.
mbed_official 52:a51c77007319 8 ******************************************************************************
mbed_official 52:a51c77007319 9 * @attention
mbed_official 52:a51c77007319 10 *
mbed_official 52:a51c77007319 11 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
mbed_official 52:a51c77007319 12 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
mbed_official 52:a51c77007319 13 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
mbed_official 52:a51c77007319 14 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
mbed_official 52:a51c77007319 15 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
mbed_official 52:a51c77007319 16 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
mbed_official 52:a51c77007319 17 *
mbed_official 52:a51c77007319 18 * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
mbed_official 52:a51c77007319 19 ******************************************************************************
mbed_official 52:a51c77007319 20 */
mbed_official 52:a51c77007319 21
mbed_official 52:a51c77007319 22 /* Includes ------------------------------------------------------------------*/
mbed_official 52:a51c77007319 23 #include "stm32f10x_rtc.h"
mbed_official 52:a51c77007319 24
mbed_official 52:a51c77007319 25 /** @addtogroup STM32F10x_StdPeriph_Driver
mbed_official 52:a51c77007319 26 * @{
mbed_official 52:a51c77007319 27 */
mbed_official 52:a51c77007319 28
mbed_official 52:a51c77007319 29 /** @defgroup RTC
mbed_official 52:a51c77007319 30 * @brief RTC driver modules
mbed_official 52:a51c77007319 31 * @{
mbed_official 52:a51c77007319 32 */
mbed_official 52:a51c77007319 33
mbed_official 52:a51c77007319 34 /** @defgroup RTC_Private_TypesDefinitions
mbed_official 52:a51c77007319 35 * @{
mbed_official 52:a51c77007319 36 */
mbed_official 52:a51c77007319 37 /**
mbed_official 52:a51c77007319 38 * @}
mbed_official 52:a51c77007319 39 */
mbed_official 52:a51c77007319 40
mbed_official 52:a51c77007319 41 /** @defgroup RTC_Private_Defines
mbed_official 52:a51c77007319 42 * @{
mbed_official 52:a51c77007319 43 */
mbed_official 52:a51c77007319 44 #define RTC_LSB_MASK ((uint32_t)0x0000FFFF) /*!< RTC LSB Mask */
mbed_official 52:a51c77007319 45 #define PRLH_MSB_MASK ((uint32_t)0x000F0000) /*!< RTC Prescaler MSB Mask */
mbed_official 52:a51c77007319 46
mbed_official 52:a51c77007319 47 /**
mbed_official 52:a51c77007319 48 * @}
mbed_official 52:a51c77007319 49 */
mbed_official 52:a51c77007319 50
mbed_official 52:a51c77007319 51 /** @defgroup RTC_Private_Macros
mbed_official 52:a51c77007319 52 * @{
mbed_official 52:a51c77007319 53 */
mbed_official 52:a51c77007319 54
mbed_official 52:a51c77007319 55 /**
mbed_official 52:a51c77007319 56 * @}
mbed_official 52:a51c77007319 57 */
mbed_official 52:a51c77007319 58
mbed_official 52:a51c77007319 59 /** @defgroup RTC_Private_Variables
mbed_official 52:a51c77007319 60 * @{
mbed_official 52:a51c77007319 61 */
mbed_official 52:a51c77007319 62
mbed_official 52:a51c77007319 63 /**
mbed_official 52:a51c77007319 64 * @}
mbed_official 52:a51c77007319 65 */
mbed_official 52:a51c77007319 66
mbed_official 52:a51c77007319 67 /** @defgroup RTC_Private_FunctionPrototypes
mbed_official 52:a51c77007319 68 * @{
mbed_official 52:a51c77007319 69 */
mbed_official 52:a51c77007319 70
mbed_official 52:a51c77007319 71 /**
mbed_official 52:a51c77007319 72 * @}
mbed_official 52:a51c77007319 73 */
mbed_official 52:a51c77007319 74
mbed_official 52:a51c77007319 75 /** @defgroup RTC_Private_Functions
mbed_official 52:a51c77007319 76 * @{
mbed_official 52:a51c77007319 77 */
mbed_official 52:a51c77007319 78
mbed_official 52:a51c77007319 79 /**
mbed_official 52:a51c77007319 80 * @brief Enables or disables the specified RTC interrupts.
mbed_official 52:a51c77007319 81 * @param RTC_IT: specifies the RTC interrupts sources to be enabled or disabled.
mbed_official 52:a51c77007319 82 * This parameter can be any combination of the following values:
mbed_official 52:a51c77007319 83 * @arg RTC_IT_OW: Overflow interrupt
mbed_official 52:a51c77007319 84 * @arg RTC_IT_ALR: Alarm interrupt
mbed_official 52:a51c77007319 85 * @arg RTC_IT_SEC: Second interrupt
mbed_official 52:a51c77007319 86 * @param NewState: new state of the specified RTC interrupts.
mbed_official 52:a51c77007319 87 * This parameter can be: ENABLE or DISABLE.
mbed_official 52:a51c77007319 88 * @retval None
mbed_official 52:a51c77007319 89 */
mbed_official 52:a51c77007319 90 void RTC_ITConfig(uint16_t RTC_IT, FunctionalState NewState)
mbed_official 52:a51c77007319 91 {
mbed_official 52:a51c77007319 92 /* Check the parameters */
mbed_official 52:a51c77007319 93 assert_param(IS_RTC_IT(RTC_IT));
mbed_official 52:a51c77007319 94 assert_param(IS_FUNCTIONAL_STATE(NewState));
mbed_official 52:a51c77007319 95
mbed_official 52:a51c77007319 96 if (NewState != DISABLE)
mbed_official 52:a51c77007319 97 {
mbed_official 52:a51c77007319 98 RTC->CRH |= RTC_IT;
mbed_official 52:a51c77007319 99 }
mbed_official 52:a51c77007319 100 else
mbed_official 52:a51c77007319 101 {
mbed_official 52:a51c77007319 102 RTC->CRH &= (uint16_t)~RTC_IT;
mbed_official 52:a51c77007319 103 }
mbed_official 52:a51c77007319 104 }
mbed_official 52:a51c77007319 105
mbed_official 52:a51c77007319 106 /**
mbed_official 52:a51c77007319 107 * @brief Enters the RTC configuration mode.
mbed_official 52:a51c77007319 108 * @param None
mbed_official 52:a51c77007319 109 * @retval None
mbed_official 52:a51c77007319 110 */
mbed_official 52:a51c77007319 111 void RTC_EnterConfigMode(void)
mbed_official 52:a51c77007319 112 {
mbed_official 52:a51c77007319 113 /* Set the CNF flag to enter in the Configuration Mode */
mbed_official 52:a51c77007319 114 RTC->CRL |= RTC_CRL_CNF;
mbed_official 52:a51c77007319 115 }
mbed_official 52:a51c77007319 116
mbed_official 52:a51c77007319 117 /**
mbed_official 52:a51c77007319 118 * @brief Exits from the RTC configuration mode.
mbed_official 52:a51c77007319 119 * @param None
mbed_official 52:a51c77007319 120 * @retval None
mbed_official 52:a51c77007319 121 */
mbed_official 52:a51c77007319 122 void RTC_ExitConfigMode(void)
mbed_official 52:a51c77007319 123 {
mbed_official 52:a51c77007319 124 /* Reset the CNF flag to exit from the Configuration Mode */
mbed_official 52:a51c77007319 125 RTC->CRL &= (uint16_t)~((uint16_t)RTC_CRL_CNF);
mbed_official 52:a51c77007319 126 }
mbed_official 52:a51c77007319 127
mbed_official 52:a51c77007319 128 /**
mbed_official 52:a51c77007319 129 * @brief Gets the RTC counter value.
mbed_official 52:a51c77007319 130 * @param None
mbed_official 52:a51c77007319 131 * @retval RTC counter value.
mbed_official 52:a51c77007319 132 */
mbed_official 52:a51c77007319 133 uint32_t RTC_GetCounter(void)
mbed_official 52:a51c77007319 134 {
mbed_official 52:a51c77007319 135 uint16_t tmp = 0;
mbed_official 52:a51c77007319 136 tmp = RTC->CNTL;
mbed_official 52:a51c77007319 137 return (((uint32_t)RTC->CNTH << 16 ) | tmp) ;
mbed_official 52:a51c77007319 138 }
mbed_official 52:a51c77007319 139
mbed_official 52:a51c77007319 140 /**
mbed_official 52:a51c77007319 141 * @brief Sets the RTC counter value.
mbed_official 52:a51c77007319 142 * @param CounterValue: RTC counter new value.
mbed_official 52:a51c77007319 143 * @retval None
mbed_official 52:a51c77007319 144 */
mbed_official 52:a51c77007319 145 void RTC_SetCounter(uint32_t CounterValue)
mbed_official 52:a51c77007319 146 {
mbed_official 52:a51c77007319 147 RTC_EnterConfigMode();
mbed_official 52:a51c77007319 148 /* Set RTC COUNTER MSB word */
mbed_official 52:a51c77007319 149 RTC->CNTH = CounterValue >> 16;
mbed_official 52:a51c77007319 150 /* Set RTC COUNTER LSB word */
mbed_official 52:a51c77007319 151 RTC->CNTL = (CounterValue & RTC_LSB_MASK);
mbed_official 52:a51c77007319 152 RTC_ExitConfigMode();
mbed_official 52:a51c77007319 153 }
mbed_official 52:a51c77007319 154
mbed_official 52:a51c77007319 155 /**
mbed_official 52:a51c77007319 156 * @brief Sets the RTC prescaler value.
mbed_official 52:a51c77007319 157 * @param PrescalerValue: RTC prescaler new value.
mbed_official 52:a51c77007319 158 * @retval None
mbed_official 52:a51c77007319 159 */
mbed_official 52:a51c77007319 160 void RTC_SetPrescaler(uint32_t PrescalerValue)
mbed_official 52:a51c77007319 161 {
mbed_official 52:a51c77007319 162 /* Check the parameters */
mbed_official 52:a51c77007319 163 assert_param(IS_RTC_PRESCALER(PrescalerValue));
mbed_official 52:a51c77007319 164
mbed_official 52:a51c77007319 165 RTC_EnterConfigMode();
mbed_official 52:a51c77007319 166 /* Set RTC PRESCALER MSB word */
mbed_official 52:a51c77007319 167 RTC->PRLH = (PrescalerValue & PRLH_MSB_MASK) >> 16;
mbed_official 52:a51c77007319 168 /* Set RTC PRESCALER LSB word */
mbed_official 52:a51c77007319 169 RTC->PRLL = (PrescalerValue & RTC_LSB_MASK);
mbed_official 52:a51c77007319 170 RTC_ExitConfigMode();
mbed_official 52:a51c77007319 171 }
mbed_official 52:a51c77007319 172
mbed_official 52:a51c77007319 173 /**
mbed_official 52:a51c77007319 174 * @brief Sets the RTC alarm value.
mbed_official 52:a51c77007319 175 * @param AlarmValue: RTC alarm new value.
mbed_official 52:a51c77007319 176 * @retval None
mbed_official 52:a51c77007319 177 */
mbed_official 52:a51c77007319 178 void RTC_SetAlarm(uint32_t AlarmValue)
mbed_official 52:a51c77007319 179 {
mbed_official 52:a51c77007319 180 RTC_EnterConfigMode();
mbed_official 52:a51c77007319 181 /* Set the ALARM MSB word */
mbed_official 52:a51c77007319 182 RTC->ALRH = AlarmValue >> 16;
mbed_official 52:a51c77007319 183 /* Set the ALARM LSB word */
mbed_official 52:a51c77007319 184 RTC->ALRL = (AlarmValue & RTC_LSB_MASK);
mbed_official 52:a51c77007319 185 RTC_ExitConfigMode();
mbed_official 52:a51c77007319 186 }
mbed_official 52:a51c77007319 187
mbed_official 52:a51c77007319 188 /**
mbed_official 52:a51c77007319 189 * @brief Gets the RTC divider value.
mbed_official 52:a51c77007319 190 * @param None
mbed_official 52:a51c77007319 191 * @retval RTC Divider value.
mbed_official 52:a51c77007319 192 */
mbed_official 52:a51c77007319 193 uint32_t RTC_GetDivider(void)
mbed_official 52:a51c77007319 194 {
mbed_official 52:a51c77007319 195 uint32_t tmp = 0x00;
mbed_official 52:a51c77007319 196 tmp = ((uint32_t)RTC->DIVH & (uint32_t)0x000F) << 16;
mbed_official 52:a51c77007319 197 tmp |= RTC->DIVL;
mbed_official 52:a51c77007319 198 return tmp;
mbed_official 52:a51c77007319 199 }
mbed_official 52:a51c77007319 200
mbed_official 52:a51c77007319 201 /**
mbed_official 52:a51c77007319 202 * @brief Waits until last write operation on RTC registers has finished.
mbed_official 52:a51c77007319 203 * @note This function must be called before any write to RTC registers.
mbed_official 52:a51c77007319 204 * @param None
mbed_official 52:a51c77007319 205 * @retval None
mbed_official 52:a51c77007319 206 */
mbed_official 52:a51c77007319 207 void RTC_WaitForLastTask(void)
mbed_official 52:a51c77007319 208 {
mbed_official 52:a51c77007319 209 /* Loop until RTOFF flag is set */
mbed_official 52:a51c77007319 210 while ((RTC->CRL & RTC_FLAG_RTOFF) == (uint16_t)RESET)
mbed_official 52:a51c77007319 211 {
mbed_official 52:a51c77007319 212 }
mbed_official 52:a51c77007319 213 }
mbed_official 52:a51c77007319 214
mbed_official 52:a51c77007319 215 /**
mbed_official 52:a51c77007319 216 * @brief Waits until the RTC registers (RTC_CNT, RTC_ALR and RTC_PRL)
mbed_official 52:a51c77007319 217 * are synchronized with RTC APB clock.
mbed_official 52:a51c77007319 218 * @note This function must be called before any read operation after an APB reset
mbed_official 52:a51c77007319 219 * or an APB clock stop.
mbed_official 52:a51c77007319 220 * @param None
mbed_official 52:a51c77007319 221 * @retval None
mbed_official 52:a51c77007319 222 */
mbed_official 52:a51c77007319 223 void RTC_WaitForSynchro(void)
mbed_official 52:a51c77007319 224 {
mbed_official 52:a51c77007319 225 /* Clear RSF flag */
mbed_official 52:a51c77007319 226 RTC->CRL &= (uint16_t)~RTC_FLAG_RSF;
mbed_official 52:a51c77007319 227 /* Loop until RSF flag is set */
mbed_official 52:a51c77007319 228 while ((RTC->CRL & RTC_FLAG_RSF) == (uint16_t)RESET)
mbed_official 52:a51c77007319 229 {
mbed_official 52:a51c77007319 230 }
mbed_official 52:a51c77007319 231 }
mbed_official 52:a51c77007319 232
mbed_official 52:a51c77007319 233 /**
mbed_official 52:a51c77007319 234 * @brief Checks whether the specified RTC flag is set or not.
mbed_official 52:a51c77007319 235 * @param RTC_FLAG: specifies the flag to check.
mbed_official 52:a51c77007319 236 * This parameter can be one the following values:
mbed_official 52:a51c77007319 237 * @arg RTC_FLAG_RTOFF: RTC Operation OFF flag
mbed_official 52:a51c77007319 238 * @arg RTC_FLAG_RSF: Registers Synchronized flag
mbed_official 52:a51c77007319 239 * @arg RTC_FLAG_OW: Overflow flag
mbed_official 52:a51c77007319 240 * @arg RTC_FLAG_ALR: Alarm flag
mbed_official 52:a51c77007319 241 * @arg RTC_FLAG_SEC: Second flag
mbed_official 52:a51c77007319 242 * @retval The new state of RTC_FLAG (SET or RESET).
mbed_official 52:a51c77007319 243 */
mbed_official 52:a51c77007319 244 FlagStatus RTC_GetFlagStatus(uint16_t RTC_FLAG)
mbed_official 52:a51c77007319 245 {
mbed_official 52:a51c77007319 246 FlagStatus bitstatus = RESET;
mbed_official 52:a51c77007319 247
mbed_official 52:a51c77007319 248 /* Check the parameters */
mbed_official 52:a51c77007319 249 assert_param(IS_RTC_GET_FLAG(RTC_FLAG));
mbed_official 52:a51c77007319 250
mbed_official 52:a51c77007319 251 if ((RTC->CRL & RTC_FLAG) != (uint16_t)RESET)
mbed_official 52:a51c77007319 252 {
mbed_official 52:a51c77007319 253 bitstatus = SET;
mbed_official 52:a51c77007319 254 }
mbed_official 52:a51c77007319 255 else
mbed_official 52:a51c77007319 256 {
mbed_official 52:a51c77007319 257 bitstatus = RESET;
mbed_official 52:a51c77007319 258 }
mbed_official 52:a51c77007319 259 return bitstatus;
mbed_official 52:a51c77007319 260 }
mbed_official 52:a51c77007319 261
mbed_official 52:a51c77007319 262 /**
mbed_official 52:a51c77007319 263 * @brief Clears the RTC's pending flags.
mbed_official 52:a51c77007319 264 * @param RTC_FLAG: specifies the flag to clear.
mbed_official 52:a51c77007319 265 * This parameter can be any combination of the following values:
mbed_official 52:a51c77007319 266 * @arg RTC_FLAG_RSF: Registers Synchronized flag. This flag is cleared only after
mbed_official 52:a51c77007319 267 * an APB reset or an APB Clock stop.
mbed_official 52:a51c77007319 268 * @arg RTC_FLAG_OW: Overflow flag
mbed_official 52:a51c77007319 269 * @arg RTC_FLAG_ALR: Alarm flag
mbed_official 52:a51c77007319 270 * @arg RTC_FLAG_SEC: Second flag
mbed_official 52:a51c77007319 271 * @retval None
mbed_official 52:a51c77007319 272 */
mbed_official 52:a51c77007319 273 void RTC_ClearFlag(uint16_t RTC_FLAG)
mbed_official 52:a51c77007319 274 {
mbed_official 52:a51c77007319 275 /* Check the parameters */
mbed_official 52:a51c77007319 276 assert_param(IS_RTC_CLEAR_FLAG(RTC_FLAG));
mbed_official 52:a51c77007319 277
mbed_official 52:a51c77007319 278 /* Clear the corresponding RTC flag */
mbed_official 52:a51c77007319 279 RTC->CRL &= (uint16_t)~RTC_FLAG;
mbed_official 52:a51c77007319 280 }
mbed_official 52:a51c77007319 281
mbed_official 52:a51c77007319 282 /**
mbed_official 52:a51c77007319 283 * @brief Checks whether the specified RTC interrupt has occurred or not.
mbed_official 52:a51c77007319 284 * @param RTC_IT: specifies the RTC interrupts sources to check.
mbed_official 52:a51c77007319 285 * This parameter can be one of the following values:
mbed_official 52:a51c77007319 286 * @arg RTC_IT_OW: Overflow interrupt
mbed_official 52:a51c77007319 287 * @arg RTC_IT_ALR: Alarm interrupt
mbed_official 52:a51c77007319 288 * @arg RTC_IT_SEC: Second interrupt
mbed_official 52:a51c77007319 289 * @retval The new state of the RTC_IT (SET or RESET).
mbed_official 52:a51c77007319 290 */
mbed_official 52:a51c77007319 291 ITStatus RTC_GetITStatus(uint16_t RTC_IT)
mbed_official 52:a51c77007319 292 {
mbed_official 52:a51c77007319 293 ITStatus bitstatus = RESET;
mbed_official 52:a51c77007319 294 /* Check the parameters */
mbed_official 52:a51c77007319 295 assert_param(IS_RTC_GET_IT(RTC_IT));
mbed_official 52:a51c77007319 296
mbed_official 52:a51c77007319 297 bitstatus = (ITStatus)(RTC->CRL & RTC_IT);
mbed_official 52:a51c77007319 298 if (((RTC->CRH & RTC_IT) != (uint16_t)RESET) && (bitstatus != (uint16_t)RESET))
mbed_official 52:a51c77007319 299 {
mbed_official 52:a51c77007319 300 bitstatus = SET;
mbed_official 52:a51c77007319 301 }
mbed_official 52:a51c77007319 302 else
mbed_official 52:a51c77007319 303 {
mbed_official 52:a51c77007319 304 bitstatus = RESET;
mbed_official 52:a51c77007319 305 }
mbed_official 52:a51c77007319 306 return bitstatus;
mbed_official 52:a51c77007319 307 }
mbed_official 52:a51c77007319 308
mbed_official 52:a51c77007319 309 /**
mbed_official 52:a51c77007319 310 * @brief Clears the RTC's interrupt pending bits.
mbed_official 52:a51c77007319 311 * @param RTC_IT: specifies the interrupt pending bit to clear.
mbed_official 52:a51c77007319 312 * This parameter can be any combination of the following values:
mbed_official 52:a51c77007319 313 * @arg RTC_IT_OW: Overflow interrupt
mbed_official 52:a51c77007319 314 * @arg RTC_IT_ALR: Alarm interrupt
mbed_official 52:a51c77007319 315 * @arg RTC_IT_SEC: Second interrupt
mbed_official 52:a51c77007319 316 * @retval None
mbed_official 52:a51c77007319 317 */
mbed_official 52:a51c77007319 318 void RTC_ClearITPendingBit(uint16_t RTC_IT)
mbed_official 52:a51c77007319 319 {
mbed_official 52:a51c77007319 320 /* Check the parameters */
mbed_official 52:a51c77007319 321 assert_param(IS_RTC_IT(RTC_IT));
mbed_official 52:a51c77007319 322
mbed_official 52:a51c77007319 323 /* Clear the corresponding RTC pending bit */
mbed_official 52:a51c77007319 324 RTC->CRL &= (uint16_t)~RTC_IT;
mbed_official 52:a51c77007319 325 }
mbed_official 52:a51c77007319 326
mbed_official 52:a51c77007319 327 /**
mbed_official 52:a51c77007319 328 * @}
mbed_official 52:a51c77007319 329 */
mbed_official 52:a51c77007319 330
mbed_official 52:a51c77007319 331 /**
mbed_official 52:a51c77007319 332 * @}
mbed_official 52:a51c77007319 333 */
mbed_official 52:a51c77007319 334
mbed_official 52:a51c77007319 335 /**
mbed_official 52:a51c77007319 336 * @}
mbed_official 52:a51c77007319 337 */
mbed_official 52:a51c77007319 338
mbed_official 52:a51c77007319 339 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/